Samut Sakhon, Thailand
Samut Sakhon observes Indochina Time at UTC+7 throughout the year. Its coastal, urban, and inland communities share one clock, while daily sunrise depends on the season and the observer’s precise position.
Krathum Baen, Thailand
Saturday, 5 September 2026
UTC+7 · Asia/Bangkok
Time and sun data for Krathum Baen — the largest city of Samut Sakhon
The sun in Krathum Baen
Sunrise 6:09 AM Solar noon 12:19 PM Sunset 6:29 PM Daylight 12 h 21 min Night 11 h 39 min Civil twilight 5:47 AM – 6:51 PM
Thailand · 359 cities · page 1 of 2
Largest cities
- Krathum Baen 72 819
- Samut Sakhon 63 498
- Ban Lak Song 52 144
- Ban Phaeo 41 904
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- Ban Khom
- Ban Khom
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- Ban Khung Samphao
- Ban Khwang
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- Ban Klang
- Ban Klang
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- Ban Ko
- Ban Ko
- Ban Ko Phai Thong
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- Ban Krasa Khao
- Ban Krathum Lom
- Ban Krok Krak Nai
- Ban Laem
- Ban Laem
- Ban Laem Bang Yang
- Ban Laen Hai
- Ban Laen Hai
- Ban Lak Ha
- Ban Lak Nueng
- Ban Lak Sam
- Ban Lak Si
- Ban Lak Si
- Ban Lak Song
- Ban Lak Song
- Ban Lam Tha Raeng
- Ban Lang
- Ban Lang San
- Ban Lang Wat
- Ban Lat Pla
- Ban Mai
- Ban Mai
- Ban Mai Khlong Damnoen
- Ban Mon
- Ban Mot Tanoi
- Ban Mu Phet
- Ban Mu Thot
- Ban Na Khok
- Ban Na Khwang
- Ban Na Kluea Khun Samut Manirat
- Ban Na Kluea Khun Samut Manirat
- Ban Na Kluea Manirat
- Ban Naeo Niyom
- Ban Nai Tha Nuea
- Ban Nang Sao
- Ban Nong Bua
- Ban Nong Bua
- Ban Nong Bua
- Ban Nong Bua Kao
- Ban Nong Hat Yai
- Ban Nong Khaem
Current time in Samut Sakhon, Thailand
The province uses the Asia/Bangkok time-zone setting found across Thailand. There is no daylight saving transition, so clocks neither jump forward nor fall back. Samut Sakhon lies southwest of Bangkok and is closely linked with the capital region. Travelling between the two does not require resetting a watch. The relevant difference for a journey is travel duration, not time-zone arithmetic. In Samut Sakhon, the tide may turn; the UTC offset does not.
Mahachai and other provincial centres
Samut Sakhon city is commonly known as Mahachai, a name frequently encountered in transport information and everyday use. Both names refer to the same principal provincial centre for time-search purposes.
Notable centres across the province include: Samut Sakhon, or Mahachai, the provincial capital Krathum Baen, an important inland urban and district centre Ban Phaeo, the centre of the province’s western district
Om Noi, a municipality near the Bangkok metropolitan edge Na Di, part of the developed area around the capital district A ranking can change according to whether it compares municipalities, districts, or uninterrupted urban development. Om Noi, for example, belongs to a wider metropolitan landscape that administrative statistics may divide differently. None of those boundary choices affects local civil time.
Reading the sunrise forecast
Sunrise near Mahachai should be checked for the actual date of interest. Its clock time moves through the year even though UTC+7 stays fixed. A result calculated for Bangkok may be close, but a Samut Sakhon location is preferable when precision matters.
The coast offers broad horizons in some places, yet buildings, mangroves, trees, haze, and clouds may change what an observer sees. Calculated sunrise assumes a standard horizon and describes an astronomical event rather than guaranteed visibility.
For morning travel or photography: Search under both Samut Sakhon and Mahachai if necessary. Select the closest available locality. Separate the time of first light from sunrise itself. Check weather and access conditions independently.
Civil twilight occurs before sunrise and may provide enough light for movement or setup. Anyone needing darkness should consult twilight information, not infer it solely from the sunrise entry. Anyone needing direct sunlight should also account for local obstructions.
Questions and answers
- What is the UTC offset in Samut Sakhon?
- The province uses UTC+7.
- Are Mahachai and Samut Sakhon on different clocks?
- No. Mahachai is a commonly used name for the provincial capital, and both references use the same local time.
- Does coastal weather alter sunrise time?
- Weather changes visibility, not the calculated astronomical time. Cloud or haze may prevent the Sun from being seen at the listed minute.